Pennsylvania · Census place 4260000

Philadelphia, Pennsylvania

Philadelphia is a city in Philadelphia County, Pennsylvania with an estimated 1,573,916 residents on July 1, 2024. It is the largest of 597 incorporated places of 1,000+ people in the state.

Population 2024
1,573,916
#1 of 597 in Pennsylvania
Change since 2020
-1.7%
-26,872 people
Land area
134.3 sq mi
+ 8.10 sq mi water
Density
11,718 / sq mi
State median 3,911
Orange pin: Philadelphia. Shaded: its county. Dark pin: Harrisburg.

Philadelphia population, 2020 to 2024

Philadelphia lost 26,872 residents from July 2020 to July 2024, a change of -1.7%. In the latest year it moved by +10,567. Among 193 Pennsylvania places of 5,000 or more, that growth ranks 126th; the median place changed by +0.2%. The median place of 5,000+ in Pennsylvania has 8,364 people, so Philadelphia is 188.2 times that size.

1.60M20201.59M20211.57M20221.56M20231.57M2024
July 1 estimates. The April 2020 estimates base was 1,603,794. The axis starts above zero so yearly changes are visible.

Philadelphia covers 134.32 square miles of land and 8.10 of water, for 11,718 people per square mile of land. The median Pennsylvania place of 5,000+ has 3,911, so Philadelphia is denser than the typical town.

What county Philadelphia is in

All of Philadelphia's residents live in Philadelphia County, which had 1,573,916 residents in 2024. Philadelphia holds 100.0% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Philadelphia

49 ZIP Code Tabulation Areas (ZCTAs) overlap Philadelphia by at least 10% of the ZCTA's or the city's land: 19102, 19103, 19104, 19106, 19107, 19108, 19109, 19111, 19112, 19114, 19115, 19116, 19118, 19119, 19120, 19121, 19122, 19123, 19124, 19125, 19126, 19127, 19128, 19129, 19130, 19131, 19132, 19133, 19134, 19135, 19136, 19137, 19138, 19139, 19140, 19141, 19142, 19143, 19144, 19145, 19146, 19147, 19148, 19149, 19150, 19151, 19152, 19153, 19154. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Philadelphia is

The Census internal point of Philadelphia is at 40.009400, -75.133300. Harrisburg, the capital, is 94.1 miles WNW in a straight line. The nearest larger place is New York, NY (8,478,072 people), 77.4 miles away. The nearest city of 100,000 or more is Allentown, PA, 44.2 miles away. The ground at the internal point is about 31 m (102 ft) above sea level.

Internal point

Decimal
40.009400, -75.133300
DMS
40°00'33.84"N 75°07'59.88"W
UTM
18N 488623.1E 4428809.0N
Geohash
dr4ed73xe
Plus code
87G62V58+QM
Time zone
America/New_York

Daylight in Philadelphia

At 40.01° N, Philadelphia gets about 15 h 01 min of daylight around the June solstice and 9 h 20 min around the December solstice, a swing of 5 h 41 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026. Month-by-month sunrise and sunset times are on the Philadelphia daylight page.

Places near Philadelphia

The eight nearest incorporated places of 1,000+ in Pennsylvania, measured between internal points. The closest is Rockledge, 5.5 miles away, with 2,641 people.

Questions people ask

What is the population of Philadelphia, PA?

1,573,916 on July 1, 2024, in the Census Vintage 2024 estimates. That is down 26,872 (1.7%) from 1,600,788 in July 2020.

What county is Philadelphia in?

Philadelphia County. All of its residents live in that county.

What ZIP codes cover Philadelphia?

49 ZIP Code Tabulation Areas overlap it by at least 10% of either area: 19102, 19103, 19104, 19106, 19107, 19108, 19109, 19111, 19112, 19114, 19115, 19116, and more.

How far is Philadelphia from Harrisburg?

94.1 miles (151.5 km) in a straight line, heading WNW from Philadelphia.

What is the nearest larger city to Philadelphia?

New York, NY, with 8,478,072 residents, 77.4 miles away between internal points.

Sources and data as of

Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.

  1. 01Census Vintage 2024 subcounty population estimates
  2. 02Census 2024 Gazetteer, places
  3. 03Census 2020 ZCTA to place relationship file
  4. 04Census 2024 cartographic boundary file, counties (1:5,000,000)
  5. 05Open-Meteo forecast API (time zone and Copernicus GLO-90 elevation) (last verified 2026-09-30)

How every number is computed: methodology. Spotted a wrong figure? Report an error.